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发明名称
METHOD AND APPARATUS FOR FORMING TENSION SPRING
摘要
申请公布号
JPH03193231(A)
申请公布日期
1991.08.23
申请号
JP19890333220
申请日期
1989.12.22
申请人
ASAHI SEIKI KOGYO KK
发明人
OSHIRO YOZO;ABIRU NORIFUMI;OBAYASHI EIJI
分类号
B21F3/027;B21F35/00
主分类号
B21F3/027
代理机构
代理人
主权项
地址
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